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Setting Honeywell Aquastat L4103A 1100


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3 replies to this topic

#1 Fran D

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Posted 20 November 2010 - 08:30 AM

I have an Aquastat L4103A 1100 on my oil-fired water heater.  I'm trying to lower the set point, but I can't seem to get below 140F.  There aren't many gradations on the set point dial.  There's a HOT, NORM & WARM on one side of the dial and 180F on the opposite side of the dial.  I've moved it below the WARM setting, but it's still too hot. 

Does anyone have any insight to where the dial should be set?

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#2 Bobice

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Posted 25 November 2010 - 10:12 PM

I have an Aquastat L4103A 1100 on my oil-fired water heater.  I'm trying to lower the set point, but I can't seem to get below 140F.  There aren't many gradations on the set point dial.  There's a HOT, NORM & WARM on one side of the dial and 180F on the opposite side of the dial.  I've moved it below the WARM setting, but it's still too hot. 

Does anyone have any insight to where the dial should be set?

The dial should be at the normal setting If it is getting too hot, cotacts are sticking.
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#3 RegUS_PatOff

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Posted 25 November 2010 - 10:42 PM

Bobice is correct,
a internet search shows:

Honeywell L4103A1100
High Limit Aquastat Controller with 100 F to 240 F operating temperature
(high limit may be physically restricted)

Edited by RegUS_PatOff, 25 November 2010 - 10:46 PM.

.

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#4 Fran D

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Posted 26 November 2010 - 09:48 AM

OK, do you think I can make any progress with some CRC electric parts cleaner, or am I looking at replacement?




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